Cardiac Function and Morphology Evaluated by Magnetic Resonance Imaging in Growth Hormone Deficiency and Acromegaly

To test the hypothesis that both lack and excess of growth hormone (GH) is associated with cardiac abnormalities. Cardiac function and morphology will be evaluated by MRI before and after treatment.

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Key information

Conditions

Growth Hormone Deficiency Bone Diseases Bone Diseases, Developmental Bone Diseases, Endocrine Brain Diseases Cardiac Function Central Nervous System Diseases Dwarfism Dwarfism, Pituitary Endocrine System Diseases Hypopituitarism Hypothalamic Diseases Musculoskeletal Diseases Nervous System Diseases Pituitary Diseases

Age range

18 year–70 year

Sex eligibility

All sexes

Study type

Observational

About this study

It is an open prospective noninterventional clinical study. Treatment and follow-up will be according to usual guidelines, and will be unaffected by inclusion in the study. GHD patients will be treated with daily subcutaneous GH injections. Patients with acromegaly will be treated with either transsphenoidal surgery or by medical treatment with long acting somatostatin analogues, dopamine agonist, GH antagonist or combinations of these treatment modalities.

Patients will be examined by Cardiac MRI before treatment and after one year of treatment.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Peak GH below 6.0 ng/mL during Pyridostigmine-GHRH test.
Nadir GH above 0.4 ng/mL and elevated levels of IGF-I during oral glucose tolerance test

Exclusion criteria

Contraindications for magnetic resonance scan

Treatment and study plan

Primary outcomes

Changes in cardiac function i relation to changes in the activity of the GH-axis

Interested in participating?

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Sponsors and collaborators

Lead sponsor

Herlev Hospital

Other

Registry information

Official study title

Impact of Growth Hormone on Serum N-Terminal Pro-B-Type Natriuretic Peptide (NT-proBNP) and on Cardiac Function and Morphology Evaluated by Magnetic Resonance Imaging in Growth Hormone Deficiency and Acromegaly

Important dates

Study start: 2006
Primary completion: 2009
Study completion: 2009
First posted: Sep 2, 2009
Registry last updated: Sep 2, 2009

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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Completed